void InitIncrementalDragger() { incrementalDragger = new IncrementalDragger(objectsToDrag.OfType<GeomNode>().ToArray(), graph, layoutSettings); }
internal void ForgetDragging() { incrementalDragger = null; }
void MakeRoomForNewNode(Drawing.Node drawingNode) { IncrementalDragger incrementalDragger = new IncrementalDragger(new[] {drawingNode.GeometryNode}, Graph.GeometryGraph, Graph.LayoutAlgorithmSettings); incrementalDragger.Drag(new Point()); foreach (var n in incrementalDragger.ChangedGraph.Nodes) { var dn = (Drawing.Node) n.UserData; var vn = drawingObjectsToIViewerObjects[dn] as VNode; if (vn != null) vn.Invalidate(); } foreach (var n in incrementalDragger.ChangedGraph.Edges) { var dn = (Drawing.Edge) n.UserData; var ve = drawingObjectsToIViewerObjects[dn] as VEdge; if (ve != null) ve.Invalidate(); } }